Cider-Braised Pork Shoulder with Caramelized Onions

Ingredients

¾ cup unfiltered apple cider

1 ½ pounds onions

2 garlic cloves

1 3- to 4-lb bone-in fresh pork shoulder half (preferably arm picnic)

2 tablespoons olive oil

Preheat oven to 325°F. Score fat and any skin on pork in a crosshatch pattern. Make slits all over meat with a small sharp knife and insert a garlic sliver in each slit. Pat pork dry and season with salt and pepper. Heat oil in a 4- to 5-quart ovenproof heavy pot over moderately high heat until h...